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Bitcoin does not have a fixed number of blocks left. Learn how block height, halvings, and supply limits work.

A block pays a protocol subsidy plus fees. The subsidy changes after halvings, so the exact total depends on block height and network activity.

A representation of the Bitcoin blockchain is a readable way to display blocks, transactions, and links without changing the chain itself.

A Bitcoin blockchain explorer lets you check transactions, blocks, and address activity on-chain before you trust a transfer.

The best Bitcoin block explorer depends on your goal: checking a payment, reading transaction details, or reviewing on-chain activity clearly.

When did bitcoin begin? In January 2009, the genesis block launched the network. A timeline from the 2008 white paper to halving and price checks.

Bitcoin 210054 usually refers to block height 210054, not a separate coin. It is often discussed because it sits near the first halving event.

By March 2026, the mined Bitcoin supply should be very close to the 21 million cap. Here’s how to think about the math, mining, and participation.